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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
Line 30... | Line 30... | ||
30 | #define __ppc_ASM_H__ |
30 | #define __ppc_ASM_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | #include <config.h> |
33 | #include <config.h> |
34 | 34 | ||
- | 35 | /** Set priority level low |
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- | 36 | * |
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- | 37 | * Enable interrupts and return previous |
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- | 38 | * value of EE. |
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- | 39 | */ |
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- | 40 | static inline pri_t cpu_priority_low(void) { |
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- | 41 | pri_t v; |
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- | 42 | __asm__ volatile ( |
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- | 43 | "\n" |
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- | 44 | : "=r" (v) |
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- | 45 | ); |
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- | 46 | return v; |
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- | 47 | } |
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- | 48 | ||
- | 49 | /** Set priority level high |
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- | 50 | * |
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- | 51 | * Disable interrupts and return previous |
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- | 52 | * value of EE. |
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- | 53 | */ |
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- | 54 | static inline pri_t cpu_priority_high(void) { |
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- | 55 | pri_t v; |
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- | 56 | __asm__ volatile ( |
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- | 57 | "\n" |
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- | 58 | : "=r" (v) |
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- | 59 | ); |
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- | 60 | return v; |
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- | 61 | } |
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- | 62 | ||
- | 63 | /** Restore priority level |
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- | 64 | * |
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- | 65 | * Restore EE. |
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- | 66 | */ |
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- | 67 | static inline void cpu_priority_restore(pri_t pri) { |
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- | 68 | __asm__ volatile ( |
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- | 69 | "\n" |
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- | 70 | : : "r" (pri) |
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- | 71 | ); |
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- | 72 | } |
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- | 73 | ||
35 | /* TODO: implement the real stuff */ |
74 | /* TODO: implement the real stuff */ |
36 | static inline __address get_stack_base(void) |
75 | static inline __address get_stack_base(void) |
37 | { |
76 | { |
38 | return NULL; |
77 | return NULL; |
39 | } |
78 | } |